The variants presented in this table were not annotated in the public HGMD (http://www.hgmd.cf.ac.uk/ac/index.php) (access date May 31) or in the GnomeAD Browser (http://gnomad.broadinstitute.org) (access date May 31) or in the Leiden Open Variation Database (https://www.lovd.nl/NPHS2) (access date May 31); PolyPhen: 1.000 = probably damaging (P); 0.5000 = possibly damaging (PO); 0.000 = benign (B). SIFT: ≤0.05 = damaging (D); >0.05 = tolerated (T).